Here's another KB we published this morning. This one talks about an issue where creating an MDT based task sequence fails with An error occurred when loading the task sequence and logs a 0x80041002 error in TaskSequenceProvider.log:

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Symptoms

After clicking the Finish button when attempting to create an Microsoft Deployment Toolkit (MDT) task sequence, the task sequence may fail to create with the following error:

An error occurred when loading the task sequence

The TaskSequenceProvider.log may also show errors similar to the following: